HKWorkoutActivityType.waterPolo The constant for playing water polo. Declarationcase waterPolo See AlsoWater activitiesHKWorkoutActivityType.paddleSportsHKWorkoutActivityType.rowingHKWorkoutActivityType.sailingHKWorkoutActivityType.surfingSportsHKWorkoutActivityType.swimmingHKWorkoutActivityType.underwaterDivingHKWorkoutActivityType.waterFitnessHKWorkoutActivityType.waterSports